Fault detection and diagnosis in power transformers: a comprehensive review and classification of publications and methods

AR Abbasi - Electric Power Systems Research, 2022 - Elsevier
A challenging problem in the protection of power transformers is the fault detection and
diagnosis (FDD). FDD has an essential role in the reliability and safety of modern power …

Oil-immersed power transformer condition monitoring methodologies: A review

L Jin, D Kim, A Abu-Siada, S Kumar - Energies, 2022 - mdpi.com
A power transformer is one of the most critical and expensive assets in electric power
systems. Failure of a power transformer would not only result in a downtime to the entire …

Review on asset management of power transformer by diagnosing incipient faults and faults identification using various testing methodologies

R Soni, B Mehta - Engineering Failure Analysis, 2021 - Elsevier
Power transformers are most imperative and critical element in electrical power system grid.
To have a consistent electricity supply it is obligatory to give substantial attention for upkeep …

State-of-the-art review on asset management methodologies for oil-immersed power transformers

L Jin, D Kim, A Abu-Siada - Electric Power Systems Research, 2023 - Elsevier
Owing to their vital function and high cost, oil-immersed power transformers represent key
links in electricity grids. While extensive effort has been invested by industry in developing …

A review of condition monitoring techniques and diagnostic tests for lifetime estimation of power transformers

MM Islam, G Lee, SN Hettiwatte - Electrical Engineering, 2018 - Springer
Power transformers are a key component of electrical networks, and they are both expensive
and difficult to upgrade in a live network. Many utilities monitor the condition of the …

Calculating a health index for power transformers using a subsystem-based GRNN approach

M Islam, G Lee, SN Hettiwatte… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
A power transformer is one of the most crucial items of equipment in the electricity supply
chain. The reliability of this valuable asset is strongly dependent on the condition of its …

Smart asset management system for power transformers coupled with online and offline monitoring technologies

Y Biçen, F Aras - Engineering Failure Analysis, 2023 - Elsevier
Predictive maintenance strategies have gained popularity in recent years due to the
advantages they provide over traditional maintenance strategies. Online monitoring …

A new method of insulation detection on electric vehicles based on a variable forgetting factor recursive least squares algorithm

Z Chen, W Cui, X Cui, H Qiao, H Lu, N Qiu - Ieee Access, 2021 - ieeexplore.ieee.org
The lithium-ion batteries of an electric vehicle belong to a high-voltage direct-current system.
The high-voltage insulation performance of electric vehicles is very important for their safe …

Dielectric relaxation spectroscopy of hybrid insulating nanofluids in time, distribution, and frequency domain

P Havran, R Cimbala, B Dolník, M Rajňák… - Journal of Molecular …, 2024 - Elsevier
Improving the dielectric properties of insulating liquids belongs to the modern motivation to
optimize the operation of high-voltage devices. Hybrid nanofluids can provide the mentioned …

Method for identifying ageing in epoxy‐mica composite insulation used in rotational machines through modelling of dielectric relaxation

N Mondal, N Haque, S Dalai, S Chakravorti… - High …, 2020 - Wiley Online Library
Dielectric response analysis, performed in time domain and frequency domain is one of the
interesting methods used for condition assessment of high voltage equipment. In this article …